#include <Led.h>
void Led_Disp(unsigned char addr,enable)
{
	static unsigned char temp=0x00;
	static unsigned char temp_old=0xff;
	if(enable)
		temp|=0x01<<addr;
	else
		temp&=~(0x01<<addr);
	if(temp!=temp_old)
	{
		P0=~temp;
		P2=P2&0x1f|0x80;
		P2&=0x1f;
		temp_old=temp;
	}	
}